Stromboidea

• Aporrhaidae
  • Austroaporrhais
    • Austroaporrhais dorotensis Zinsmeister and Griffin, 1995

Original Description of Austroaporrhais dorotensis by Zinsmeister and Griffin, 1995

• "Shell small-sized with a moderately high turreted spire of at least five whorls; spire angle of about 33 degrees; whorls gently keeled from an early stage; ornamentation consists of delicate spiral threads and moderately strong axial ribs that cross entire whorl, except on last whorl, where the ribs are restricted to posterior slope above keel; last whorl characterized by a second subequal anteriorly located keel; outer lip expanded into wing with two gently curved digitations, the anterior one shorter; siphonal canal gently bent."

Locus typicus: Sierra Dorotea, southwestern Santa Cruz Province, Argentina

Stratum typicum: Cerro Dorotea Formation, Paleocene

References:

• Zinsmeister and Griffin, 1995